Solved lost my purchases

hello, my name is MistyStoner420 (ingamename)
i recently changed my name from 'DABEAST_NL' to MistyStoner420 and after that i lost my rank (raider) and kit (kit ghost). i really hope you can help me get this back,

The official servers are commencing a full shut down and closure. The official servers will be shut down in 1-2 weeks. Along with development for the modpack. Thank you for your request but unfortunately time is out.